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Inside Cover: Peptide Bicycles that Inhibit the Grb2 SH2 Domain (ChemBioChem 10/2012)
The inside cover picture shows a new strategy for designing constrained peptides that involves careful introduction of side-chain-to-side chain crosslinks within a head-to-tail peptide macrocycle. For details of how it was used to produce peptide bicycles that target Grb2 with higher potency, better selectivity, and greater resistance to degradation, see the communication by J. A. Kritzer et al. on p. 1490 ff.